Question

question 9 1 pts there are proteins embedded within (passing through) and sitting on top of the external and internal surfaces of the cell membrane. the proteins which are embedded within the membrane are called _.
cholesterols
protein pumps
peripheral membrane proteins
integral membrane proteins

Explanation:

Integral membrane proteins are embedded within (passing through) the cell - membrane, while peripheral membrane proteins are associated with the surface of the membrane. Protein pumps are a type of integral membrane protein with a specific function. Cholesterols are lipid components of the membrane, not proteins.

Answer:

A. integral membrane proteins